Cup holder



FIG. 1 is a top perspective view of our design for a cup holder;

FIG. 2 is a top plan view of our design for a cup holder;

FIG. 3 is a front elevational view of our design for a cup holder;

FIG. 4 is a rear elevational view of our design for a cup holder;

FIG. 5 is a left side view of our design for a cup holder;

FIG. 6 is a right side view of our design for a cup holder; and,

FIG. 7 is a bottom plan view of our design for a cup holder. 

CLAIM We claim the ornamental design for a cup holder, as shown and described. 